NEC 78K0S/KB1+ User Manual page 26

Type 2
IN
Schmitt-triggered input with hysteresis characteristics
Type 3-C
Data
Type 8-A
Pull up
enable
Data
Output
disable
26
CHAPTER 2 PIN FUNCTIONS
Figure 2-1. Pin I/O Circuits
V
DD
P-ch
OUT
N-ch
V
SS
V
DD
P-ch
V
DD
P-ch
IN/OUT
N-ch
V
SS
User's Manual U17446EJ3V1UD
Type 11
Pull up
enable
Data
Output
disable
Comparator
+
-
AV
SS
AV
REF
(Threshold voltage)
Input
enable
Type 16-B
Feedback
cut-off
P-ch
OSC
enable
X1,
IN/OUT
Data
Output
disable
Data
Output
Disable
V
DD
P-ch
AV
REF
P-ch
IN/OUT
N-ch
V
SS
P-ch
N-ch
X2,
IN/OUT
V
DD
P-ch
N-ch
V
SS
P-ch
N-ch
V
SS